I want redirect only this file blog/customfilename.php to blog/customfilename using web.config WordPress.

I applying this rule :

 <rule name="hide .php extension" stopProcessing="true">
    <match url="(.*).php" />
      <conditions>
      <add input="is-quickbooksonline-down" matchType="IsFile" negate="true" />
      <add input="is-quickbooksonline-down" matchType="IsDirectory" negate="true" />
      </conditions>
    <action type="Rewrite" url="is-quickbooksonline-down.php" />
  </rule>

but this rule apply on all file in blog folder but I want apply only to one file. I already applied all tag like in comment section please check in <match url = "is-quickbooksonline-down.php" /> or something etc no fruitful result given.Thanks